Improving achievable information rates of 64-GBd PDM-64QAM by nonlinear transmitter predistortion
- Elschner, R.
- Emmerich, R.
- Schmidt-Langhorst, C.
- Frey, F.
- Berenguer, P.W.
- Fischer, J.K.
- Grießer, H.
- Rafique, D.
- Elbers, J.-P.
- Schubert, C.
DOIAbstract
We assess the gains in achievable information rate for 64-GBd PDM-64QAM signal transmission with Volterra-based digital predistortion of nonlinear transmitter components and show an improvement of up to 0.6 bit/4D-symbol over conventional linear predistortion
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